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Finding the Fourth Proportional to 301,993.88, 452,990.91 and 88,761.83

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Solution

The fourth proportional to 301,993.88, 452,990.91 and 88,761.83 is: 133,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,993.88 : 452,990.91 = 88,761.83 : x
  2. Step 2: Convert to fraction form
    301,993.88/452,990.91 = 88,761.83/x
  3. Step 3: Cross multiply
    301,993.88x = 452,990.91 × 88,761.83
  4. Step 4: Simplify right side
    301,993.88x = 40,208,302,144.97
  5. Step 5: Solve for x
    x = 40,208,302,144.97/301,993.88
  6. Step 6: Final answer
    x = 133,142.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.